최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
DataON 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Edison 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0213758 (2016-07-19) |
등록번호 | US-9688893 (2017-06-27) |
발명자 / 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 1 인용 특허 : 333 |
A method of forming a shaped abrasive particle includes applying a mixture into a shaping assembly within an application zone and directing an ejection material at the mixture in the shaping assembly under a predetermined force, removing the mixture from the shaping assembly and forming a precursor
A method of forming a shaped abrasive particle includes applying a mixture into a shaping assembly within an application zone and directing an ejection material at the mixture in the shaping assembly under a predetermined force, removing the mixture from the shaping assembly and forming a precursor shaped abrasive particle.
1. A shaped abrasive particle having a body comprising an arrowhead shape, wherein the body comprises a tortuous contour. 2. The shaped abrasive particle of claim 1, wherein the body comprises a first major surface, a second major surface, and a first surface joining the first major surface and seco
1. A shaped abrasive particle having a body comprising an arrowhead shape, wherein the body comprises a tortuous contour. 2. The shaped abrasive particle of claim 1, wherein the body comprises a first major surface, a second major surface, and a first surface joining the first major surface and second major surface, wherein at least a portion of the side surface comprises a concave curvature. 3. The shaped abrasive particle of claim 2, wherein the body comprises a length, a width, and a height, wherein the length is a longest dimension of any side of the shaped abrasive particle, wherein the width is a longest dimension of the shaped abrasive particle through a midpoint of the shaped abrasive particle, wherein the thickness is the shortest dimension of the shaped abrasive particle extending in a direction perpendicular to the length and width, wherein the body comprises a primary aspect ratio of at least 1.2:1, wherein the primary aspect ratio is a ratio of length:width, wherein the body comprises a secondary aspect ratio of at least 3:1, wherein the secondary aspect ratio is a ratio of length:height. 4. The shaped abrasive particle of claim 1, wherein the body comprises a percent flashing of not greater than about 10%. 5. The shaped abrasive particle of claim 4, wherein a side surface of the body comprises a fractured region. 6. A method comprising: forming a precursor shaped abrasive particle in less than about 18 minutes, wherein forming comprises: applying a mixture into a shaping assembly within an application zone; and removing the mixture from the shaping assembly to form a precursor shaped abrasive particle. 7. The method of claim 6, wherein the mixture comprises a gel comprising a ceramic powder material as an integrated network of discrete particles. 8. The method of claim 6, wherein the mixture comprises at least 0.5 wt % and not greater than about 30 wt % organic materials for the total weight of the mixture. 9. The method of claim 6, wherein the mixture comprises a storage modulus of at least about 20×104 Pa and not greater than 80×104 Pa. 10. The method of claim 6, wherein the mixture comprises a viscosity of at least about 30×103 Pa s and not greater than 100×103 Pa s. 11. The method of claim 6, wherein applying comprises extruding the mixture through a die opening and into the shaping assembly, and wherein extruding is conducted at a pressure of at least 500 kPa and not greater than 10,000 kPa. 12. The method of claim 6, wherein the shaping assembly comprises an opening configured to receive the mixture and defined by at least three surfaces. 13. The method of claim 6, wherein the shaping assembly comprises a first portion comprising a screen and a second portion comprising a backing plate, wherein the first portion and the second portion are adjacent to each other in the application zone. 14. The method of claim 6, wherein the mixture has an average residence time in the shaping assembly of at least 1 second and not greater than 10 minutes. 15. The method of claim 6, wherein the mixture comprises a change in weight of less than about 5% for a total weight of the mixture for a duration the mixture is in an opening of the shaping assembly. 16. The method of claim 6, wherein applying the mixture comprises extruding the mixture through a die opening and into an opening in the shaping assembly, wherein during extrusion into the opening, the mixture flows into a first portion of the shaping assembly and abuts a surface of a second portion of the shaping assembly. 17. The method of claim 6, further comprising translating at least a portion of the shaping assembly from the application zone to an ejection zone. 18. The method of claim 6, further comprising removing the mixture from at least one surface of a portion of the shaping assembly prior to removing the mixture from the shaping assembly. 19. The method of claim 6, wherein removing the mixture comprises directing an ejection material at the mixture in the shaping assembly under a predetermined force of at least 12 N and not greater than 20 N, removing the mixture from the shaping assembly and forming a precursor shaped abrasive particle. 20. The method of claim 19, wherein the ejection material directly contacts an exposed major surface of the mixture in an opening of the shaping assembly. 21. The shaped abrasive particle of claim 1, wherein the tortuous contour extends along at least a portion of a first major surface, wherein the tortuous contour comprises a first curved portion, a second curved portion, and a planar portion joining the first curved portion and the second curved portion. 22. The method of claim 6, wherein during applying the mixture has a solids content of at least 42 wt % and not greater than 65 wt %. 23. The method of claim 6, further comprising a batch productivity of at least 0.2 kg/min/m2 of shaping surface. 24. The method of claim 13, wherein the backing plate of the second portion is coated with a fluoropolymer. 25. The method of claim 13, further comprising forming a batch of precursor shaped abrasive particles having a weight of at least 1 kg in not greater than 30 minutes. 26. The method of claim 16, wherein the second portion is stationary relative to the first portion, and wherein the second portion terminates prior to removing the mixture. 27. The method of claim 20, wherein the method further comprises drying, wherein drying is conducted at a temperature of at least 10° C. and not greater than 300° C., and wherein drying comprises removing a portion of the water content of the mixture. 28. The method of claim 6, wherein the mixture comprises a coil value of at least 2000 N and not greater than 6000 N.
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